Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Hexagonal close packed (hcp) None of these Body centred cubic (bcc) Face centred cubic (fcc) Hexagonal close packed (hcp) None of these Body centred cubic (bcc) Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc Fcc None of these Hcp Bcc Fcc None of these Hcp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Measurement of the area of the indented surface is not involved in the __________ hardhes testing method. Knoop Rockwell Vicker's Brinell Knoop Rockwell Vicker's Brinell ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Is immaterial Can be prevented by proper design Causes heat loss due to poor heat transfer Decreased compressor power Is immaterial Can be prevented by proper design Causes heat loss due to poor heat transfer Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 90000 J 60000 J 30000 J 240000 J 90000 J 60000 J 30000 J 240000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Dezincification is a form of corrosion, which specifically applies to Stainless steel Steel Brass Babbit metal Stainless steel Steel Brass Babbit metal ANSWER DOWNLOAD EXAMIANS APP
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